import type { Plugin } from 'unified';
import type { Root } from 'mdast';
/**
 * Remark plugin that converts Setext-style headings to paragraphs.
 *
 * Setext headings are identified by checking if they have a `position` property
 * with multiple lines (the underline creates a second line).
 *
 * This plugin runs after parsing and converts any Setext heading nodes to paragraph nodes.
 */
export declare const remarkDisableSetext: Plugin<[], Root>;
